US Bridges

Coldbrook RD over I-95 NB & SB

Fair

Penobscot County, Maine · I-95 Interchange #44 · Structure no. 5970

Built
1962
63 years old, rebuilt 2009
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
319 ft
5 main spans
Daily traffic
9,885
2016 count
Owner
State
State Highway Agency

About this bridge

Coldbrook RD over I-95 NB & SB is a steel stringer/multi-beam or girder carrying Coldbrook RD over I-95 NB & SB in Penobscot County, Maine. It was built in 1962 and reconstructed in 2009, so it is 63 years old, older than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 9,885 vehicles a day, roughly 5% of them trucks, projected to reach 13,839 by 2036. The structure is 319 ft (97.1 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesColdbrook RD
CrossesI-95 NB & SB
LocationI-95 Interchange #44
RouteCounty Highway 0
CountyPenobscot County
StateMaine
Coordinates44.77368, -68.85938
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating54.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length319 ft (97.1 m)
Longest span68 ft (20.8 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,885 (2016)
Projected traffic13,839 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Coldbrook RD over I-95 NB & SB built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2009.

What condition is Coldbrook RD over I-95 NB & SB in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Coldbrook RD over I-95 NB & SB carry?

About 9,885 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Coldbrook RD over I-95 NB & SB?

The structure is 319 ft (97.1 m) long with a longest span of 68 ft (20.8 m) and a deck 35 ft wide.

Who owns Coldbrook RD over I-95 NB & SB?

It is owned by the State Highway Agency.